Vulnerability Description
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8437.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | - |
| Microsoft | Windows 8.1 | - |
| Microsoft | Windows Server | 2012 |
| Microsoft | Windows Server 2016 | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105249Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041624Third Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438PatchVendor Advisory
- http://www.securityfocus.com/bid/105249Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041624Third Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438PatchVendor Advisory
FAQ
What is CVE-2018-8438?
CVE-2018-8438 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-...
How severe is CVE-2018-8438?
CVE-2018-8438 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-8438?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Server, Microsoft Windows Server 2016.